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notka56 [123]
2 years ago
8

Using like terms simplify-k+2(-2k-5)

Mathematics
1 answer:
MrRa [10]2 years ago
5 0

Answer:

-5k-10

Step-by-step explanation:

- k + 2 (- 2k - 5) = - k - 4k - 10 = - 5k - 10

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If F(x)=4x-1 and g(x)=x^2+7, what is g(f(x))
VashaNatasha [74]
Answer

g(f(x)) = = 16 {x}^{2} - 8x + 8

step by step Explanation

The functions given are

f (x)= 4x- 1

g(x)= {x}^{2} + 7

We want to find:

g(f (x))= g( 4x- 1)

This implies that

g(f (x))= ( (4x- 1)^{2} + 7)

Let us now simplify

( {a - b)}^{2} = {a}^{2} -2ab + {b}^{2}

This implies that

( (4x- 1)^{2} + 7) =( {(4x)}^{2} - 2(4x) \times 1 + 1

Combine the terms to get,

= 16 {x}^{2} - 8x + 1 + 7

= 16 {x}^{2} - 8x + 8
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3 years ago
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X = 11/3 this answer is finding x in this problem
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Gabrielle wants to buy a new pair of jeans. If the jeans were originally $25.00, but are on sale with a 15% discount, how much w
USPshnik [31]

We will use the formula of discount % to find the selling price...!

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2 years ago
A student was asked to name all values of n that make the relation a function. Correct the error.
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3 0
3 years ago
HI can someone do these 5 problems? it will really help me out I'll give out brainliest to the person who answers them. (No link
Softa [21]

Answer:

$73.60

$345

simple interest = amount deposited x time x interest rate

600 + (600 x 0.055 x 5) = $765

600 + (600 x 0.055 x 5) > $2000

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He would not have $2000 in 5 years

Step-by-step explanation:

Total cost of items purchased = $75 + (2 x $8.50) = 92

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commission earned = percentage commission x amount of sales

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= 0.1 x 3450 = 345

Amount he would have in his account = amount deposited + simple interest

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